Le Manuel Merck

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Squamous Cell Carcinoma (Lip)
squamous-cell-carcinoma-lip-wells-crop-sized_fr
Squamous Cell Carcinoma (Lip)

    This squamous cell carcinoma on the lip shows excess build up of keratin (a protein that forms on the surface of the skin, appearing as a brown crust) that has broken down to form an open sore. (The doctor has marked the border of the carcinoma with a pen.)

Photo courtesy of Gregory L. Wells, MD.

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Carcinome épidermoïde